Home / 816,420.04-1,224,653.10-225,444.04

Finding the Fourth Proportional to 816,420.04, 1,224,653.10 and 225,444.04

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Solution

The fourth proportional to 816,420.04, 1,224,653.10 and 225,444.04 is: 338,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,420.04 : 1,224,653.10 = 225,444.04 : x
  2. Step 2: Convert to fraction form
    816,420.04/1,224,653.10 = 225,444.04/x
  3. Step 3: Cross multiply
    816,420.04x = 1,224,653.10 × 225,444.04
  4. Step 4: Simplify right side
    816,420.04x = 276,090,742,462.52
  5. Step 5: Solve for x
    x = 276,090,742,462.52/816,420.04
  6. Step 6: Final answer
    x = 338,172.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.